51061111060 has 24 divisors (see below), whose sum is σ = 107789746176. Its totient is φ = 20317508640.

The previous prime is 51061111051. The next prime is 51061111103. The reversal of 51061111060 is 6011116015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6679572 + ... + 6687211.

It is an arithmetic number, because the mean of its divisors is an integer number (4491239424).

Almost surely, 2^51061111060 is an apocalyptic number.

It is an amenable number.

51061111060 is an abundant number, since it is smaller than the sum of its proper divisors (56728635116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51061111060 is a wasteful number, since it uses less digits than its factorization.

51061111060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366983 (or 13366981 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 51061111060 its reverse (6011116015), we get a palindrome (57072227075).

The spelling of 51061111060 in words is "fifty-one billion, sixty-one million, one hundred eleven thousand, sixty".